ALFI brand GR510 Solid Stainless Steel Kitchen Sink Grid Custom made to fit sink model AB510 and AB3021 Made of solid stainless steel, this grid is built tough and made to last the test of time This grid helps protect the surface of your sink from scratches or stains caused by heavy pots and pans or sharp knives Stands on durable plastic feet raised about half an-Inch above the bottom of the sink